#!/bin/csh -f
# mailwarns
# -----------------------------------------------------------------------------
# Shell script to search mail log for warnings.
# -----------------------------------------------------------------------------
# Usage:  See Usage section below or run with -h or --help option to see usage.
# Assumptions:
# Effects:
#       - Reads the mail log, prompting for sudo password and shows report.
# Notes:
# Implementation Notes:
# Portability Issues:
# Revision History:
#   $Log$
# ------------------------------------------------------------------------------
if ("$1" == "-h" || "$1" == "--help") then
   echo "Usage: $0:t [-a | mail_log_filename]"
   echo "  -a = All mail log files"
   echo "Example: $0:t"
   echo "Example: $0:t maillog-20101114"
   echo "Example: $0:t 20101114 (same as maillog-20101114)"
   echo "Example: $0:t -a"
   exit 1
endif

# Get and check options
set option_all = "false"
if ($#argv > 0 && "$1" == "-a") then
    set option_all = "true"
    shift
endif

# Get and check params
set logfile = "maillog"
if ($#argv > 0) then
    set logfile = $1:q
    shift
endif

if ("${option_all}" == "true") then
    set logfile = "/var/log/maillog*"
else if (-e "/var/log/${logfile}") then
    set logfile = "/var/log/${logfile}"
else 
    echo "File   /var/log/${logfile} not found."
    echo "Trying /var/log/maillog-${logfile}..."
    if (-e "/var/log/maillog-${logfile}") then
        set logfile = "/var/log/maillog-${logfile}"
    else
        echo "File   /var/log/maillog-${logfile} not found."
        beep "Error: Unable to find specified mail log file."
        exit 1
    endif
endif

# Get sudo to prompt now, if it is going to, to avoid prompt later.
sudo cat /dev/null

echo "Warnings in ${logfile}: "
sudo grep -H -i warn ${logfile}